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| Presentation | 2015-09-24 13:50 Effects of stimulus intensity on auditory-evoked responses and spontaneous activity in auditory pathway -- A study on objective estimation of the uncomfortable loudness level -- Atsuto Shukunami (Hiroshima City Univ.), Asuka Otsuka, (AIST), Shunsuke Ishimitsu (Hiroshima City Univ.), Seiji Nakagawa (AIST)  MBE2015-27 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The relationships between the uncomfortable loudness level and auditory-evoked responses or spontaneous activity were investigated. As auditory-evoked responses, frequency following response, auditory brainstem response, middle latency response and slow vertex response were adopted. When the RMS magnitude of the frequency following response increased until around uncomfortable level, the response was saturated for low frequencies and rapidly increased for middle and high frequencies. The change rate of the N1m and latency on the auditory-evoked response was detected as minimum value below the uncomfortable level. Since the uncomfortable level was reacted to the frequency following response originated with brainstem in auditory pathway and the N1m response originated with the temporal lobe of the cerebral cortex in auditory pathway, it is possible to estimate the uncomfortable level with these response’s changes. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Uncomfortable loudness level / Auditory-evoked response / Frequency following response / Auditory brainstem response / Middle latency response / Slow vertex response / Spontaneous activity / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 229, MBE2015-27, pp. 11-15, Sept. 2015. | |
| Paper # | MBE2015-27 | |
| Date of Issue | 2015-09-17 (MBE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | MBE2015-27 |
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| Conference Information | |
| Committee | MBE |
| Conference Date | 2015-09-24 - 2015-09-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagaoka University of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2015-09-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effects of stimulus intensity on auditory-evoked responses and spontaneous activity in auditory pathway |
| Sub Title (in English) | A study on objective estimation of the uncomfortable loudness level |
| Keyword(1) | Uncomfortable loudness level |
| Keyword(2) | Auditory-evoked response |
| Keyword(3) | Frequency following response |
| Keyword(4) | Auditory brainstem response |
| Keyword(5) | Middle latency response |
| Keyword(6) | Slow vertex response |
| Keyword(7) | Spontaneous activity |
| Keyword(8) | |
| 1st Author's Name | Atsuto Shukunami |
| 1st Author's Affiliation | Hiroshima City University (Hiroshima City Univ.) |
| 2nd Author's Name | Asuka Otsuka, |
| 2nd Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) |
| 3rd Author's Name | Shunsuke Ishimitsu |
| 3rd Author's Affiliation | Hiroshima City University (Hiroshima City Univ.) |
| 4th Author's Name | Seiji Nakagawa |
| 4th Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) |
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| Speaker | Author-3 |
| Date Time | 2015-09-24 13:50:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2015-27 |
| Volume (vol) | vol.115 |
| Number (no) | no.229 |
| Page | pp.11-15 |
| #Pages | 5 |
| Date of Issue | 2015-09-17 (MBE) |
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